Which of the following is true of enzymes? Group of answer choices

Enzymes often work best at specific temperatures and pH ranges

Enzymes utilize an active site that is specific to a certain substrate

Enzymes are proteins

all choices are correct

Flag question: Question 19

Energy derived from hot rocks and fluids beneath the earth’s surface is

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.

Which of these is a provisioning service people get from the ocean